* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background-color: #efefef;
  font-size: 16px;
}
.main {
  width: 3.75rem;
}
.header {
  display: flex;
  width: 3.75rem;
  height: 0.5rem;
  background-color: #87ceeb;
  justify-content: space-between;
  align-items: center;
}
.header > .logo {
  width: 1.2rem;
  height: 0.5rem;
  font-size: 0.25rem;
  font-weight: 900;
  text-align: center;
  line-height: 0.5rem;
  margin: 0 0.1rem;
}
.header > input {
  width: 2.3rem;
  height: 0.3rem;
  border: none;
  outline: none;
  border-radius: 0.05rem;
  margin: 0 0.2rem;
  padding: 0 0.1rem;
}
.todo h3 {
  height: 0.6rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  line-height: 0.6rem;
  padding: 0 0.15rem;
}
.todo .list {
  padding: 0 0.16rem;
}
.todo .todoItem {
  display: flex;
  height: 0.38rem;
  align-items: center;
  line-height: 0.38rem;
  background-color: beige;
  border-radius: 0.05rem;
  overflow: hidden;
  margin-bottom: 0.1rem;
}
.todo .todoItem::before {
  width: 0.04rem;
  height: 0.38rem;
  background-color: #87ceeb;
  content: "";
}

.todo .todoItem > input {
  width: 0.25rem;
  height: 0.25rem;
  margin: 0 0.1rem;
}
.todo .todoItem .content {
  width: 2.65rem;
  color: #333;
}
.todo .todoItem .del {
  width: 0.4rem;
  height: 0.2rem;
  text-align: center;
  line-height: 0.2rem;
  font-size: 0.12rem;
  background-color: orangered;
  border-radius: 0.05rem;
  margin: 0 0.1rem;
  color: #efefef;
}
.done.todo .todoItem {
  opacity: 0.3;
  -webkit-filter: grayscale(1);
}
.pc {
  font-size: 200px !important;
}
.pc .main {
  margin: 0 auto;
}
